_:n118713d2e5d74f22bd890c5974285f9cxb1
<http://schema.org/text>
"Tell us what’s happening:\n\nPlz help me all the test pass but this one didn’t because it has a repeating character. I am trying to solve it wilthout javaScripts own fuctions.\n\n**Your code so far**\n\nfunction mutation(arr) {\n\nlet second = arr[1].toLowerCase()\n\nlet first = arr[0].toLowerCase()\n\nlet newA&hellip;"
<https://forum.freecodecamp.org/t/help-me-pass-this-test-plz/457380>